Irrigation water quality
ProPosal for an Index to ClassIfy IrrIgatIon Water QualIty: a Case study In northeastern BrazIl
... different quality degrees, chemical alterations and induction of salinity in soils may occur at different levels (Maia, ...of water composition, they are based exclusively on the balance among cations, ...
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Estimation of irrigation water quality using coliform bacteria, zooplankton and zoobenthos as indicators
... much more polluted than its entrance. High levels of indicator bacteria suggest the possible presence of pathogens that cause such water-borne diseases as gastroenteritis, bacillary dysentery, etc. (M y e r s and ...
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A new proposal of the classification of irrigation water
... The water quality index (WQI) proposed in this study was developed in two ...in irrigation water quality were identified using Principal Components and Factor Analysis (PC/FA) as ...
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Analysis of irrigation water tariffs and taxes in Europe
... of water taxation in Spain (which has some similarities with other EU countries, such as Portugal and ...and irrigation users share infrastructures and ...[2] Water Agency (or River Basin Authority, ...
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Olive Water Use, Crop Coefficient, Yield, and Water Productivity under Two Deficit Irrigation Strategies
... Our seasonal trend of T followed similar patterns to those of ET o , with maximum T values observed in mid-summer [ 25 ]. However, as compared to spring and autumn, ET o values increase more in mid-summer than T values, ...
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Water Delivery Quality and Automatic Control Modes in Irrigation Canals. A Case Study.
... The Proportional, Integral and Derivative (PID) control algorithm is by far the most commonly used in control engineering and its philosophy has been integrated to the number of canal control methods. The derivative term ...
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Drinking-water quality in the Caribbean
... b) Each country should develop and imple- ment a comprehensive drinking-water quality improvement program which incorporates a de- liberate and continuous selective s[r] ...
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Risk analysis in water quality problems
... After the analysis of the probability theory to evaluate and quantify risk concerting with pollution in a body of water, one can conclude that the theory is extremely useful to system with a consistent set of ...
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River Water Quality Modelling for River Basin and Water Resources Management
... and water quality processes on pervious and impervious land surfaces, in soil profiles and in streams and well-mixed impoundments (Bicknell et ...the water is transported out from one segment into ...
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Impacts of Irrigation and Drought on Salem Ground Water
... of water level depletion such as declining ground water levels, drying up of shallow wells, decrease in yield of bore wells and increased expenditure and power consumption for drawing water from ...
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POT IRRIGATION CONTROL THROUGH THE CLIMATOLOGIC SEQUENTIAL WATER BALANCE
... soil water control instruments, scales to weigh pots, etc, are expensive, many times unavailable and difficult to ...soil water status under these conditions seems to be an excellent ...
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Water management for sustainable irrigation systems using Internet-of-Things
... real water management, and not only turning the irrigation off when the soil is still moist, not many works were ...best irrigation process for precision ...
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MORPHOPHYSIOLOGICAL RESPONSES OF COWPEA GENOTYPES TO IRRIGATION WATER SALINITY
... or irrigation water salt contents can negatively influence the species’ productive ...to irrigation water ...of irrigation water electrical conductivity - EC (EC 0 : ...
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Alternative management of irrigation water in crops of conilon
... under irrigation due to the conditions of uneven distribution of ...of irrigation system management of irrigation water becomes very important economically and environmentally to the success ...
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IRRIGATION STRATEGIES WITH WATER DEFICIT IN ‘TOMMY ATKINS’ MANGO TREE
... of water in semi-arid regions, it is necessary that irrigation is accurate and there is high water use ...deficit irrigation (RDI) and partial rootzone drying (PRD) in yield, water use ...
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Future irrigation water requirements in the Ijuí River basin, RS
... the water demand for ...future irrigation water demands of four crops in this basin (bean, corn, wheat and soybean), comparing them with a baseline ...the water demand for ...future, ...
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An assessment of global net irrigation water requirements from various water supply sources to sustain irrigation: rivers and reservoirs (1960–2000 and 2050)
... a water supply, IR is, in turn, derived from MSR. Excess water beyond the storage capacity of the MSR flows into the river channel after runoff, as determined by the land surface hydrology module, initially ...
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YIELD AND FRUIT QUALITY OF INDUSTRIAL TOMATO UNDER SALINE IRRIGATION
... The different proportions of sodium affected marketable and total yield, number of marketable fruits, and concentrated pulp yield, the interaction sa- linity vs sodium proportions being significant only for total yield ...
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Stress coefficients for soil water balance combined with water stress indicators for irrigation scheduling of woody crops
... between irrigation are larger than one day, RTr or RET differ from ...after irrigation, and it is assumed as constant between two irrigation events (for ...
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Quality Assessment of Various Bottled-Water Andtap-Water in Kirkuk - Iraq
... bottled water becomes very popular especially after the last war in 2003, in which the number of factories represents ...the quality of the product represented by the increasing percentages in the ...
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